Product Specifications
| Parameter |
Details |
| Model NO. |
Koyo 6204r, 6304, 6907, 16007, 6007, 6207, 6207r, 6307 |
| Separated |
Unseparated |
| Rows Number |
Single |
| Load Direction |
Radial Bearing |
| Material |
Bearing Steel |
| Specification |
45*68*12mm |
| Trademark |
NTN |
| Origin |
Germany, Sweden, Japan |
| HS Code |
8482102000 |
Application Industries
| Industry |
Typical Equipment |
| Industrial Machinery |
Machine Tools, Textile Machinery, Printing Equipment, Conveyors |
| Manufacturing |
CNC Machines, Gearboxes, Electric Motors, Pumps |
| Automotive |
Transmission Systems, Auxiliary Equipment |
| Agricultural |
Tractor Components, Harvester Drives |
Minimize Downtime with Reliable Deep Groove Ball Bearings for Industrial Machinery
Every production manager knows the cost of unexpected equipment failure—missed deadlines, maintenance overtime, and halted workflows. When bearings fail prematurely, it’s often due to substandard materials or imprecise manufacturing, especially in critical applications like machine tool spindles or conveyor systems. Sourcing genuine, high-quality bearings shouldn’t require navigating complex MOQs or long lead times, yet many suppliers make this process far more difficult than necessary.
Genuine Koyo Deep Groove Ball Bearings: In Stock and Ready to Ship
Our Deep Groove Ball Bearings, including models Koyo 6204r, 6304, and 6907, are designed to address these challenges directly. As a professional bearing supplier with decades of export experience, we maintain a robust inventory of standard bearings, supporting 1 piece MOQ for immediate purchase. Whether you need a single replacement for emergency repairs or bulk orders for scheduled maintenance, our 3-5 day sample delivery and 5-15 day bulk lead times ensure you get the parts you need without unnecessary delays. These bearings, sized at 45*68*12mm, are engineered for radial load applications in industrial machinery, providing the stability your equipment demands.
Engineered for Demanding Industrial Environments
Deep Groove Ball Bearings are the workhorses of industrial machinery, handling both radial and axial loads in high-speed rotating applications. The Koyo 6204r, 6304, and 6907 models excel in environments where precision and durability matter—from textile machinery requiring consistent rotation to printing equipment where minimal vibration is critical. Their single-row design and unseparated construction ensure easy installation and reliable performance under continuous operation, making them ideal for heavy-duty applications like conveyor systems and electric motor drives.
Key Technical Features That Impact Performance
The performance of these bearings is defined by critical technical attributes. Constructed from high-grade bearing steel, they offer exceptional wear resistance, directly contributing to longer service life in industrial settings. The radial load design ensures efficient force distribution, reducing stress on machinery components during operation. With a specification of 45*68*12mm, these bearings are dimensionally precise, ensuring proper fit in standard equipment housings—eliminating the need for custom modifications. The single-row configuration balances load capacity with rotational speed, making them suitable for applications ranging from low-torque fans to high-power gearboxes.
Why Authentic Bearings Matter for Total Cost of Ownership
Choosing authentic Deep Groove Ball Bearings over counterfeit alternatives directly impacts your bottom line. Counterfeit bearings often fail prematurely due to poor material quality and imprecise manufacturing, leading to unplanned downtime and costly repairs. In contrast, our genuine Koyo bearings meet strict international standards, including ISO specifications, ensuring consistent performance and reliability. The initial investment in authentic bearings is offset by reduced maintenance costs, fewer replacements, and minimized production interruptions—ultimately lowering your total cost of ownership.
Our Commitment to Quality and Reliability
With over 15 years of experience serving global clients across Europe, North America, and Southeast Asia, we prioritize quality at every step. Our bearings undergo strict incoming material inspections and full-process production supervision, supported by an in-house laboratory for dimensional detection and performance testing. As an ISO 9001:2015 and ISO 14001 certified company, we adhere to rigorous quality management practices. Our professional technical team provides free guidance on bearing selection, installation, and maintenance, ensuring you get the most out of your investment. We stand behind our products with a 12-month warranty, offering free replacements or refunds for qualified defective products.
Packaging & Shipping
- Protective packaging to ensure product integrity during transit
- Sample orders shipped within 3-5 working days
- Bulk orders delivered in 5-15 working days
- Multiple logistics options including DHL, FedEx, and sea freight
- 1 piece MOQ for standard bearings, supporting emergency repairs
Get the Bearings You Need Today
Don’t let equipment downtime affect your productivity. Whether you’re replacing a worn bearing or stocking up for maintenance, we make the process simple. Send us your bearing model, application details, and quantity, and our team will provide a prompt quote. With our ready inventory and fast shipping, you can get your machinery back up and running with minimal delay.
Frequently Asked Questions
Q: Are these genuine Koyo bearings?
A: Yes, we supply genuine original brand bearings, including Koyo, sourced from authorized channels with full traceability.
Q: How do I confirm if the 45*68*12mm size fits my equipment?
A: Provide your equipment model or technical drawings, and our technical team will verify compatibility free of charge.
Q: What is your warranty policy?
A: All products come with a 12-month warranty from the date of receipt, covering manufacturing defects with free replacement or refund.
Q: What is the minimum order quantity?
A: Standard bearings have a 1 piece MOQ, supporting both small emergency orders and large bulk purchases.
Q: How long does shipping take?
A: Sample orders ship in 3-5 working days, bulk orders in 5-15 working days, with flexible logistics options to meet your timeline.
Q: How can I verify the authenticity of the bearings?
A: We provide documentation tracing the supply chain, and products include original packaging and brand markings for verification.
Ready to order or need a quote?
Send your bearing designation, application details, and quantity — we'll respond within 24 hours.
